127681153 has 4 divisors (see below), whose sum is σ = 127880368. Its totient is φ = 127481940.

The previous prime is 127681139. The next prime is 127681193. The reversal of 127681153 is 351186721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127681153 - 2²¹ = 125584001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127681193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98643 + ... + 99928.

It is an arithmetic number, because the mean of its divisors is an integer number (31970092).

Almost surely, 2^127681153 is an apocalyptic number.

It is an amenable number.

127681153 is a deficient number, since it is larger than the sum of its proper divisors (199215).

127681153 is an equidigital number, since it uses as much as digits as its factorization.

127681153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199214.

The product of its digits is 10080, while the sum is 34.

The square root of 127681153 is about 11299.6085330422. The cubic root of 127681153 is about 503.5496115501.

The spelling of 127681153 in words is "one hundred twenty-seven million, six hundred eighty-one thousand, one hundred fifty-three".